#57B41B#57B41B

#57B41B is a light, vivid yellow-green. Relative luminance 0.347; OKLCH L 68.6% C 0.198 H 136.9°. Best body text is #000000 at 7.95:1 contrast (WCAG AA passes).

Color values

HEX#57B41B
RGBrgb(87, 180, 27)
HSLhsl(96, 74%, 41%)
HSVhsv(96, 85%, 71%)
CMYKcmyk(51.7%, 0%, 85%, 29.4%)
CIE-LABlab(65.55, -51.91, 61.78)
CIE-LCHlch(65.55, 80.69, 130.04°)
OKLaboklab(68.59% -0.1445 0.1353)
OKLCHoklch(68.59% 0.198 136.9)
XYZxyz(20.4489, 34.7464, 6.6659)
Luminance0.3475 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57B41B #781BB4
analogous
#A3B41B #57B41B #1BB42C
triadic
#57B41B #1B57B4 #B41B57
tetradic
#57B41B #1BA3B4 #781BB4 #B42C1B
square
#57B41B #1BA3B4 #781BB4 #B42C1B
split-complementary
#57B41B #2C1BB4 #B41BA3
monochromatic
#244A0B #3D7F13 #57B41B #73DF2D #96E762

Accessibility & contrast

On white

2.64
#57B41B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.95
#57B41B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B41B
7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57B41B#FFFFFF#000000##000000
##57B41B1.002.647.957.95
#FFFFFF2.641.0021.0021.00
#0000007.9521.001.001.00
##0000007.9521.001.001.00

Color blindness preview

Protanopia (red-blind)
#BAA400
Deuteranopia (green-blind)
#AE9C30
Tritanopia (blue-blind)
#51AD99
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #57b41b;
/* rgb */ color: rgb(87, 180, 27);
/* oklch */ color: oklch(68.6% 0.198 136.9);
Tailwind
colors: {
  custom: {
    50: '#90cb68',
    500: '#57b41b',
    950: '#000000',
  },
}
SCSS
$custom: #57b41b;
$custom-light: #90cb68;
$custom-dark: #000000;
JSON
{
  "hex": "#57b41b",
  "rgb": {
    "r": 87,
    "g": 180,
    "b": 27
  },
  "hsl": {
    "h": 96.471,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.68586,
    "c": 0.19795,
    "h": 136.9
  },
  "luminance": 0.34748
}

Semantic roles & 50–950 ramp

primary
#57B41B
secondary
#A15FCC
accent
#37F1A8
background
#F9FCF6
surface
#F2F9EB
border
#CCD2C6
text
#0E1307
muted
#7E827A

Preview Lab

Preview with #57B41B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#57B41B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva